ML Detection without CSI for Constant-Weight Codes in THz Communications with Strong Phase Noise

被引：1

作者：

Wu, Yifei ^{[1
]}

Koch, Johannes David ^{[2
]}

Vossiek, Martin ^{[2
]}

Schober, Robert ^{[1
]}

Gerstacker, Wolfgang ^{[1
]}

机构：

[1] Friedrich Alexander Univ Erlangen Nurnberg, Inst Digital Commun, Erlangen, Germany

[2] Friedrich Alexander Univ Erlangen Nurnberg, Inst Microwaves & Photon, Erlangen, Germany

来源：

2022 IEEE GLOBAL COMMUNICATIONS CONFERENCE (GLOBECOM 2022) | 2022年

关键词：

CONSTELLATION; DESIGN; JITTER;

D O I：

10.1109/GLOBECOM48099.2022.10000888

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

To meet the ever-increasing requirements of high-rate data transmission, the significant amount of spectrum available in the TeraHertz (THz) band is considered for future wireless communications. However, the performance of THz communications is limited by strong phase noise (PN) introduced by oscillators and the complexity added by channel state information (CSI) acquisition. To overcome such impediments, we propose a new transmission concept based on constant-weight (CW) codes which enable low-complexity maximum-likelihood (ML) sequence detection at the receiver side in the presence of strong PN without requiring statistical or instantaneous CSI knowledge. In addition, the error rate of the ML receiver for the proposed CW codes is analyzed. Simulation results verify the analytical derivations and illustrate that the proposed transmission scheme outperforms transmission with on-off keying modulation and coherent detection.

引用

页码：831 / 836

页数：6

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